Create and edit drawings with over 20 colors and adjustable brush sizes. Save drawings and their creation process in a built-in gallery. Replay or resume drawings at any time. Draw on iPhone, iPad, or iPod Touch.
Learn English with audio lessons featuring American accents and detailed Chinese subtitles. Access single-sentence collection, pronunciation practice, and word lookup via long press.
Create evolving shapes and color fields by touching and shaking the screen. Explore color noise, liquid merging, and spastic color bars. Capture screenshots of generated artwork.
Articles "der," "die," and "das" through interactive exercises and audio pronunciation. Practice with quizzes, flashcards, and listening activities. Track progress and review mistakes. Sync lessons across devices.
